code: def get_type_generator(  # pylint: disable=too-many-return-statements,too-many-branches
      sqltype: sqlalchemy.sql.sqltypes,
  ) -> Callable[[], Any]:
      if isinstance(sqltype, sqlalchemy.dialects.mysql.types.TINYINT):
          return lambda: random.choice([0, 1])
  
      if isinstance(
          sqltype,
          (
              sqlalchemy.sql.sqltypes.INTEGER,
              sqlalchemy.sql.sqltypes.Integer,
          ),
      ):
          return lambda: random.randrange(2147483647)
  
      if isinstance(sqltype, sqlalchemy.sql.sqltypes.BIGINT):
          return lambda: random.randrange(sys.maxsize)
  
      if isinstance(
          sqltype,
          (
              sqlalchemy.sql.sqltypes.VARCHAR,
              sqlalchemy.sql.sqltypes.String,
          ),
      ):
          length = random.randrange(sqltype.length or 255)
          length = max(8, length)  # for unique values
          length = min(100, length)  # for FAB perms
          return lambda: "".join(
              random.choices(string.ascii_letters, k=length)
          )
  
      if isinstance(
          sqltype,
          (sqlalchemy.sql.sqltypes.TEXT, sqlalchemy.sql.sqltypes.Text),
      ):
          length = random.randrange(65535)
          # "practicality beats purity"
          length = max(length, 2048)
          return lambda: "".join(
              random.choices(string.ascii_letters, k=length)
          )
  
      if isinstance(
          sqltype,
          (
              sqlalchemy.sql.sqltypes.BOOLEAN,
              sqlalchemy.sql.sqltypes.Boolean,
          ),
      ):
          return lambda: random.choice([True, False])
  
      if isinstance(
          sqltype,
          (sqlalchemy.sql.sqltypes.FLOAT, sqlalchemy.sql.sqltypes.REAL),
      ):
          return lambda: random.uniform(-sys.maxsize, sys.maxsize)
  
      if isinstance(sqltype, sqlalchemy.sql.sqltypes.DATE):
          return lambda: MINIMUM_DATE + timedelta(
              days=random.randrange(days_range)
          )
  
      if isinstance(sqltype, sqlalchemy.sql.sqltypes.TIME):
          return lambda: time(
              random.randrange(24),
              random.randrange(60),
              random.randrange(60),
          )
  
      if isinstance(
          sqltype,
          (
              sqlalchemy.sql.sqltypes.TIMESTAMP,
              sqlalchemy.sql.sqltypes.DATETIME,
              sqlalchemy.sql.sqltypes.DateTime,
          ),
      ):
          return lambda: datetime.fromordinal(
              MINIMUM_DATE.toordinal()
          ) + timedelta(seconds=random.randrange(days_range * 86400))
  
      if isinstance(sqltype, sqlalchemy.sql.sqltypes.Numeric):
          # since decimal is used in some models to store time, return a value that
          # is a reasonable timestamp
          return lambda: decimal.Decimal(
              datetime.now().timestamp() * 1000
          )
  
      if isinstance(sqltype, sqlalchemy.sql.sqltypes.JSON):
          return lambda: {
              "".join(
                  random.choices(string.ascii_letters, k=8)
              ): random.randrange(65535)
              for _ in range(10)
          }
  
      if isinstance(
          sqltype,
          (
              sqlalchemy.sql.sqltypes.BINARY,
              sqlalchemy_utils.types.encrypted.encrypted_type.EncryptedType,
          ),
      ):
          length = random.randrange(sqltype.length or 255)
          return lambda: os.urandom(length)
  
      if isinstance(sqltype, sqlalchemy_utils.types.uuid.UUIDType):
          return uuid4
  
      if isinstance(sqltype, postgresql.base.UUID):
          return lambda: str(uuid4())
  
      if isinstance(sqltype, sqlalchemy.sql.sqltypes.BLOB):
          length = random.randrange(sqltype.length or 255)
          return lambda: os.urandom(length)
  
      logger.warning(
          "Unknown type %s. Please add it to `get_type_generator`.",
          type(sqltype),
      )
      return lambda: b"UNKNOWN TYPE"
  
imports: import decimal
  import json
  import logging
  import os
  import random
  import string
  import sys
  from collections.abc import Iterator
  from datetime import date, datetime, time, timedelta
  from typing import Any, Callable, cast, Optional, TypedDict
  from uuid import uuid4
  import sqlalchemy.sql.sqltypes
  import sqlalchemy_utils
  from flask_appbuilder import Model
  from sqlalchemy import Column, inspect, MetaData, Table
  from sqlalchemy.dialects import postgresql
  from sqlalchemy.orm import Session
  from sqlalchemy.sql import func
  from sqlalchemy.sql.visitors import VisitableType
  from superset import db
label_desc: Use image node_id 1 for calling a global function with example usage: get_type_generator(sqltype) and returns: function, function, function, function, function, function, function, function, function, function, function, function, function, function, uuid4, function, function